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Malicious package

panrouter-adminnpm

panrouter-admin is a confirmed malicious npm package (MAL-2026-6134) that steals credentials and exfiltrates sensitive data (malicious version 5.0.0). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in panrouter-admin (npm)

MAL-2026-6134
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall panrouter-admin

What this malware does

panrouter-admin ships relay_client.cjs, which connects to a hardcoded WebSocket endpoint at wss://jiuling.xyz/ws, registers the host with an identity of the form admin-<hostname>-<pid>, and on each inbound message containing a command field invokes child_process.execSync and returns stdout/stderr/exitCode back over the WebSocket. This is a fully functional reverse-shell / C2 implant: the operator of jiuling.xyz can execute arbitrary OS commands on any machine running this script. The implant uses exponential-backoff reconnects and a single-instance lock (port 28999) for resilience. A companion HTTP server (server.mjs) exposes /api/relay-devices proxying https://jiuling.xyz/api/devices, confirming jiuling.xyz is the author's fleet-management plane. Additionally, cli.mjs rewrites ~/.claude/settings.json to set ANTHROPIC_BASE_URL=http://127.0.0.1:50816 and ANTHROPIC_AUTH_TOKEN=public, routing all Claude Code prompts through the local server which forwards them to opencode.ai — silently relaying potentially sensitive prompt content (proprietary code, secrets) through author-controlled infrastructure. tray-daemon.ps1 offers an HKCU Run-key autostart (PanRouterAdmin) for a hidden PowerShell tray, providing persistence on Windows.

Malicious versions

1 flagged
5.0.0

Indicators of compromise (SHA-256)

390c706978c9207807a0aeb4b1e3dfc500847828c23f5ffb06a14171ca8e51e6

Detection & response playbook

Credential / info stealer
  1. Find it

    Scan your lockfiles (package-lock.json, pnpm-lock.yaml, yarn.lock, requirements.txt, poetry.lock, etc.) and build artifacts for panrouter-admin (version 5.0.0). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging panrouter-admin across your stack and pipelines.

  2. If you installed it — respond

    panrouter-admin is built to steal secrets, so assume every credential the build or runtime could read is compromised. Remove it from your project and lockfile, then rotate ALL exposed secrets — npm/registry tokens, cloud keys, CI/CD secrets, SSH keys, and any .env values — from a known-clean machine. Audit logs for unauthorized use of those credentials.

  3. Did it already run?

    If panrouter-admin was ever installed, its post-install/runtime payload may have already executed. O3's L7 egress monitoring and runtime eBPF sensors detect the credential exfiltration or command-and-control callback after install and block the malicious outbound channel, so you catch and contain the actual compromise — not just the presence of the package.

  4. How O3 protects you

    O3 blocks panrouter-admin before install through its supply-chain scanner, and if it has already run, detects and severs the exfiltration or C2 callback at runtime through L7 egress monitoring and eBPF.

Frequently asked questions

No. panrouter-admin on npm has been identified as a malicious package (version 5.0.0 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

IN-MAL-2026-007005

References

Credits

  • Amazon Inspector · finder

Detect & block this

O3 blocks panrouter-admin-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the credential exfiltration and severs the channel.

Explore

panrouter-admin (npm) malicious package — MAL-2026-6134 | O3 Security